▎ 摘　　要

NOVELTY - The method involves applying first voltage between two-dimensional (2D) material (220) and a substrate (205). Second voltage is applied between the 2D material and a probe (225) positioned proximate the 2D material with the first voltage applied between the 2D material and the substrate. The second voltage is removed between the 2D material and the probe. The first voltage is removed between the 2D material and the substrate, where different electron density of a portion of the 2D material proximate the probe is compared to different electron density of a remainder of the 2D material. USE - Method for locally doping 2D materials e.g. graphene, molybdenum disulfide, molybdenum diselenide, tungsten disulfide, and tungsten diselenide (all claimed). ADVANTAGE - The method enables performing local doping to be altered or removed by subsequent application of the voltage to a conductor in an effective manner. DETAILED DESCRIPTION - The 2D material is placed on a first insulator that is placed on a second insulator. The probe is made of conductive material. The probe is a metal wire and a carbon nano-tube. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic view of an apparatus and associated materials configured for locally doping 2D material. Associated materials (200) Substrate (205) Insulators (210, 215) 2D material (220) Probe (225)